adjective
Definition: Describing something that is made from or looks like tortoiseshell, often characterized by a mix of brown and yellow colors, or referring to a color pattern in cats that includes black, orange, and cream patches.
Example: The artist used a tortoiseshell pattern for the new furniture design.
noun
Definition: A type of material or pattern that is made from the shell of certain turtles, often used to make jewelry and other items, or a domestic cat with a mix of brown, black, and yellow fur.
Example: The tortoiseshell cat curled up on the windowsill, basking in the sun.